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<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_comment"> * limitations under the License.</em>
<a class="jxr_linenumber" name="18" href="#18">18</a> <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="19" href="#19">19</a>
<a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">package</strong> org.apache.hadoop.hbase.util;
<a class="jxr_linenumber" name="21" href="#21">21</a>
<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.testclassification.SmallTests;
<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.io.compress.Compression;
<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.io.DataOutputBuffer;
<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.io.compress.CompressionCodec;
<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.io.compress.CompressionOutputStream;
<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.util.NativeCodeLoader;
<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.util.ReflectionUtils;
<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.junit.Test;
<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.junit.experimental.categories.Category;
<a class="jxr_linenumber" name="34" href="#34">34</a>
<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> java.io.BufferedOutputStream;
<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> java.io.DataOutputStream;
<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="38" href="#38">38</a>
<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.*;
<a class="jxr_linenumber" name="40" href="#40">40</a>
<a class="jxr_linenumber" name="41" href="#41">41</a> @Category(SmallTests.<strong class="jxr_keyword">class</strong>)
<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/util/TestCompressionTest.html">TestCompressionTest</a> {
<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(TestCompressionTest.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="44" href="#44">44</a>
<a class="jxr_linenumber" name="45" href="#45">45</a> @Test
<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testExceptionCaching() {
<a class="jxr_linenumber" name="47" href="#47">47</a> <em class="jxr_comment">// This test will fail if you run the tests with LZO compression available.</em>
<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="49" href="#49">49</a> CompressionTest.testCompression(Compression.Algorithm.LZO);
<a class="jxr_linenumber" name="50" href="#50">50</a> fail(); <em class="jxr_comment">// always throws</em>
<a class="jxr_linenumber" name="51" href="#51">51</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="52" href="#52">52</a> <em class="jxr_comment">// there should be a 'cause'.</em>
<a class="jxr_linenumber" name="53" href="#53">53</a> assertNotNull(e.getCause());
<a class="jxr_linenumber" name="54" href="#54">54</a> }
<a class="jxr_linenumber" name="55" href="#55">55</a>
<a class="jxr_linenumber" name="56" href="#56">56</a> <em class="jxr_comment">// this is testing the caching of the test results.</em>
<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="58" href="#58">58</a> CompressionTest.testCompression(Compression.Algorithm.LZO);
<a class="jxr_linenumber" name="59" href="#59">59</a> fail(); <em class="jxr_comment">// always throws</em>
<a class="jxr_linenumber" name="60" href="#60">60</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="61" href="#61">61</a> <em class="jxr_comment">// there should be NO cause because it's a direct exception not wrapped</em>
<a class="jxr_linenumber" name="62" href="#62">62</a> assertNull(e.getCause());
<a class="jxr_linenumber" name="63" href="#63">63</a> }
<a class="jxr_linenumber" name="64" href="#64">64</a>
<a class="jxr_linenumber" name="65" href="#65">65</a> assertFalse(CompressionTest.testCompression(<span class="jxr_string">"LZO"</span>));
<a class="jxr_linenumber" name="66" href="#66">66</a> }
<a class="jxr_linenumber" name="67" href="#67">67</a>
<a class="jxr_linenumber" name="68" href="#68">68</a> @Test
<a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testTestCompression() {
<a class="jxr_linenumber" name="70" href="#70">70</a> assertTrue(CompressionTest.testCompression(<span class="jxr_string">"NONE"</span>));
<a class="jxr_linenumber" name="71" href="#71">71</a> assertTrue(CompressionTest.testCompression(<span class="jxr_string">"GZ"</span>));
<a class="jxr_linenumber" name="72" href="#72">72</a>
<a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">if</strong> (NativeCodeLoader.isNativeCodeLoaded()) {
<a class="jxr_linenumber" name="74" href="#74">74</a> nativeCodecTest(<span class="jxr_string">"LZO"</span>, <span class="jxr_string">"lzo2"</span>, <span class="jxr_string">"com.hadoop.compression.lzo.LzoCodec"</span>);
<a class="jxr_linenumber" name="75" href="#75">75</a> nativeCodecTest(<span class="jxr_string">"LZ4"</span>, <strong class="jxr_keyword">null</strong>, <span class="jxr_string">"org.apache.hadoop.io.compress.Lz4Codec"</span>);
<a class="jxr_linenumber" name="76" href="#76">76</a> nativeCodecTest(<span class="jxr_string">"SNAPPY"</span>, <span class="jxr_string">"snappy"</span>, <span class="jxr_string">"org.apache.hadoop.io.compress.SnappyCodec"</span>);
<a class="jxr_linenumber" name="77" href="#77">77</a> } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="78" href="#78">78</a> <em class="jxr_comment">// Hadoop nativelib is not available</em>
<a class="jxr_linenumber" name="79" href="#79">79</a> LOG.debug(<span class="jxr_string">"Native code not loaded"</span>);
<a class="jxr_linenumber" name="80" href="#80">80</a> assertFalse(CompressionTest.testCompression(<span class="jxr_string">"LZO"</span>));
<a class="jxr_linenumber" name="81" href="#81">81</a> assertFalse(CompressionTest.testCompression(<span class="jxr_string">"LZ4"</span>));
<a class="jxr_linenumber" name="82" href="#82">82</a> assertFalse(CompressionTest.testCompression(<span class="jxr_string">"SNAPPY"</span>));
<a class="jxr_linenumber" name="83" href="#83">83</a> }
<a class="jxr_linenumber" name="84" href="#84">84</a> }
<a class="jxr_linenumber" name="85" href="#85">85</a>
<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isCompressionAvailable(String codecClassName) {
<a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="88" href="#88">88</a> Thread.currentThread().getContextClassLoader().loadClass(codecClassName);
<a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="90" href="#90">90</a> } <strong class="jxr_keyword">catch</strong> (Exception ex) {
<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="92" href="#92">92</a> }
<a class="jxr_linenumber" name="93" href="#93">93</a> }
<a class="jxr_linenumber" name="94" href="#94">94</a>
<a class="jxr_linenumber" name="95" href="#95">95</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="96" href="#96">96</a> <em class="jxr_javadoccomment"> * Verify CompressionTest.testCompression() on a native codec.</em>
<a class="jxr_linenumber" name="97" href="#97">97</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="98" href="#98">98</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> nativeCodecTest(String codecName, String libName, String codecClassName) {
<a class="jxr_linenumber" name="99" href="#99">99</a> <strong class="jxr_keyword">if</strong> (isCompressionAvailable(codecClassName)) {
<a class="jxr_linenumber" name="100" href="#100">100</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">if</strong> (libName != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="102" href="#102">102</a> System.loadLibrary(libName);
<a class="jxr_linenumber" name="103" href="#103">103</a> }
<a class="jxr_linenumber" name="104" href="#104">104</a>
<a class="jxr_linenumber" name="105" href="#105">105</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="106" href="#106">106</a> Configuration conf = <strong class="jxr_keyword">new</strong> Configuration();
<a class="jxr_linenumber" name="107" href="#107">107</a> CompressionCodec codec = (CompressionCodec)
<a class="jxr_linenumber" name="108" href="#108">108</a> ReflectionUtils.newInstance(conf.getClassByName(codecClassName), conf);
<a class="jxr_linenumber" name="109" href="#109">109</a>
<a class="jxr_linenumber" name="110" href="#110">110</a> DataOutputBuffer compressedDataBuffer = <strong class="jxr_keyword">new</strong> DataOutputBuffer();
<a class="jxr_linenumber" name="111" href="#111">111</a> CompressionOutputStream deflateFilter = codec.createOutputStream(compressedDataBuffer);
<a class="jxr_linenumber" name="112" href="#112">112</a>
<a class="jxr_linenumber" name="113" href="#113">113</a> byte[] data = <strong class="jxr_keyword">new</strong> byte[1024];
<a class="jxr_linenumber" name="114" href="#114">114</a> DataOutputStream deflateOut = <strong class="jxr_keyword">new</strong> DataOutputStream(<strong class="jxr_keyword">new</strong> BufferedOutputStream(deflateFilter));
<a class="jxr_linenumber" name="115" href="#115">115</a> deflateOut.write(data, 0, data.length);
<a class="jxr_linenumber" name="116" href="#116">116</a> deflateOut.flush();
<a class="jxr_linenumber" name="117" href="#117">117</a> deflateFilter.finish();
<a class="jxr_linenumber" name="118" href="#118">118</a>
<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_comment">// Codec class, codec nativelib and Hadoop nativelib with codec JNIs are present</em>
<a class="jxr_linenumber" name="120" href="#120">120</a> assertTrue(CompressionTest.testCompression(codecName));
<a class="jxr_linenumber" name="121" href="#121">121</a> } <strong class="jxr_keyword">catch</strong> (UnsatisfiedLinkError e) {
<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_comment">// Hadoop nativelib does not have codec JNIs.</em>
<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_comment">// cannot assert the codec here because the current logic of</em>
<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_comment">// CompressionTest checks only classloading, not the codec</em>
<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_comment">// usage.</em>
<a class="jxr_linenumber" name="126" href="#126">126</a> LOG.debug(<span class="jxr_string">"No JNI for codec '"</span> + codecName + <span class="jxr_string">"' "</span> + e.getMessage());
<a class="jxr_linenumber" name="127" href="#127">127</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a class="jxr_linenumber" name="128" href="#128">128</a> LOG.error(codecName, e);
<a class="jxr_linenumber" name="129" href="#129">129</a> }
<a class="jxr_linenumber" name="130" href="#130">130</a> } <strong class="jxr_keyword">catch</strong> (UnsatisfiedLinkError e) {
<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_comment">// nativelib is not available</em>
<a class="jxr_linenumber" name="132" href="#132">132</a> LOG.debug(<span class="jxr_string">"Native lib not available: "</span> + codecName);
<a class="jxr_linenumber" name="133" href="#133">133</a> assertFalse(CompressionTest.testCompression(codecName));
<a class="jxr_linenumber" name="134" href="#134">134</a> }
<a class="jxr_linenumber" name="135" href="#135">135</a> } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_comment">// Compression Codec class is not available</em>
<a class="jxr_linenumber" name="137" href="#137">137</a> LOG.debug(<span class="jxr_string">"Codec class not available: "</span> + codecName);
<a class="jxr_linenumber" name="138" href="#138">138</a> assertFalse(CompressionTest.testCompression(codecName));
<a class="jxr_linenumber" name="139" href="#139">139</a> }
<a class="jxr_linenumber" name="140" href="#140">140</a> }
<a class="jxr_linenumber" name="141" href="#141">141</a> }
<a class="jxr_linenumber" name="142" href="#142">142</a>
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